Home / 5,639.26-8,463.84-2,681.32

Finding the Fourth Proportional to 5,639.26, 8,463.84 and 2,681.32

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Solution

The fourth proportional to 5,639.26, 8,463.84 and 2,681.32 is: 4,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.26 : 8,463.84 = 2,681.32 : x
  2. Step 2: Convert to fraction form
    5,639.26/8,463.84 = 2,681.32/x
  3. Step 3: Cross multiply
    5,639.26x = 8,463.84 × 2,681.32
  4. Step 4: Simplify right side
    5,639.26x = 22,694,263.47
  5. Step 5: Solve for x
    x = 22,694,263.47/5,639.26
  6. Step 6: Final answer
    x = 4,024.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.